What The Heck Is Spirulina…and Is It Good For You?

There’s been some controversy lately about spirulina, and it’s time to clear up the confusion. Spirulina—also called blue-green algae—is a type of cyanobacteria, a single-celled microbe that grows in saltwater and in fresh water. It’s a favorite food source for many types of fish. And among humans, it has long been considered a superfood. But […]